| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | find it difficult [to-vb] [noun prp] [noun] | 7 |
|
| 2 | [verb] it difficult [to-vb] [noun prp] [noun] | 7 |
|
| 3 | it be difficult [to-vb] [noun prp] [noun] | 5 |
|
| 4 | it [be] difficult [to-vb] [noun prp] [noun] | 5 |
|
